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452020143 = 3538128001
BaseRepresentation
bin11010111100010…
…100011110101111
31011111120000001210
4122330110132233
51411204121033
6112504205503
714126051661
oct3274243657
91144500053
10452020143
11212176473
12107469893
1372856353
1444066531
1529a3bd63
hex1af147af

452020143 has 8 divisors (see below), whose sum is σ = 602827056. Its totient is φ = 301280000.

The previous prime is 452020139. The next prime is 452020193. The reversal of 452020143 is 341020254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452020143 - 22 = 452020139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452020193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (75353382).

Almost surely, 2452020143 is an apocalyptic number.

452020143 is a deficient number, since it is larger than the sum of its proper divisors (150806913).

452020143 is a wasteful number, since it uses less digits than its factorization.

452020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33385.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 452020143 is about 21260.7653437029. The cubic root of 452020143 is about 767.4544278628.

Adding to 452020143 its reverse (341020254), we get a palindrome (793040397).

The spelling of 452020143 in words is "four hundred fifty-two million, twenty thousand, one hundred forty-three".

Divisors: 1 3 5381 16143 28001 84003 150673381 452020143